Pumping apparatus



Feb. 7, 1933. GUTMAN 1,896,358

PUMPING APPARATUS Filed Au 6, 1928' /r 'l luiman INVENTOR ATTORNEY j Patented Feb. 7, 1933 UNITED STATES, PATENT: *QFF'I E sYLvEsrER A. G'UTMAN, or FLINT, MICHIGAN v PUMPING APPARATUS i Application filed August e, 1928. Serial No. 29%,554.

- The ect matter of the invention in this applicationwas disclosed in the original application for myPatent #1,614,238 but could not be claimed therein.

My invention relates to pumping tuses generally and more particularly to self or automatically controlled pumping appara tuses, p 5 V Objects of my invention are a simple and inexpensive pumping apparatus, easily installable as a whole, the members thereof of simple and. inexpensive structure and .easily installable, economical and efficient in operation, automatic in Operation so that the same requires very little or no attention, op

erable by an easily availablesource of power, operableto pump various, quantities of sub stance including complete stoppage thereof, automatically controlled by a condition'of the pumpable substance or'bya condition of substance associated with the pumpable substance, automatically delivering .only needed quantities of substance, I and adjustable to vary the quantities of substance delivered and l to adapt the same to conditions associated with the apparatus. Other objects will become obvious, or will suggest themselves upon an inspection of the accompanying drawing and will be pointed out, or will become apparent or obvious, or will suggest themselves, in the following specification. o

In the accompanying drawing I have shown a certain apparatus for illustration purposes only, in which drawing: V .Fig. 1 isa general perspective view of a pumping apparatusembodying my invention and shows a pmnping means associated with a driving shaft operated by an internal combustion engine and with a carburetor for the engine. o f V Fig. 2 is a longitudinal section taken-in a vertical plane through substantially the middle of the apparatus shown in Fig.1 and shows relations of elements more clearly.

Fig. 3 is a transverse section taken in'a appara- 7 vertical plane indicated'by the line 3 3-in Fig. 2 and shows transverserelations of shaft and sleeve and yoke more clearly." V I Fig. 4: is a perspective view of'the sleeve with one clutch portionthereon. a

Fig. 5 is a perspective view of the eccentric with the other clutch portion thereon.

- Similar reference characters referto simi lar parts throughout the views. l The apparatus shown in the drawing mentioned above is designed as an associationof a carburetion liquid supply receptacle and an internal combustion engine and a carburetor and a pump'means operable by the engine tomovecarburetion liquid from the supply receptacle into the carburetor in quantities as required by the carburetor. The carburetorA is shown ashaving the 12 on the float and extendin through and abovethe top of 'thecarburetor; W The pump cylinder B is shown with cjonventional valves 13; and 14, the inlet 15, the

outlet 16, and the cap 17 closing the bottom thereof and having the ears 18 whereby the cylinder can be secured in position.

The shaft C is shown as journaled in the bracket 19 extending from the-cylinder and 1 carrying the pulley 20with the belt 21 over the same and extending to a rotating part of an internal combustion engine 1 not 7 shown in thedrawing since the connection appears to be obvious as being the crank shaftior the 7 cam shaft or any other rotatingmember of the engine and needsflnot be limited to any particular part. h

The eccentric 22 is rotatable on the shaft C and has the teeth 23 forming one portion of a clutch means. p

The sleeve 24 is shown as slidable longitudinally on the shaft C and'rotates therewith through the spline 25 and has the teeth 26 adapted to the spaces between the teeth 23 and the spaces between the teeth 26 adapted to the teeth 23 forming the other portion of the clutch means.

The arm D is pivoted to the upper end of the bracket 19'by means of the pin 27 so that the same can move on that pivot.

One end of the arm D has the yoke 28 straddling the sleeve 24 and the stud pins 29 in the yoke ends and extending into the groove 30 provided in the sleeve 24 so that a movement of the yoke on the pivot 27 moves the sleeve longitudinally of the shaft C.

The screw 31 is threaded into the other'end of the arm D so that the same can be adjusted therein and is in alignment with the stem 12 so that the end thereof can contact the end of the stem 12 and carries the nut 32 whereby the same can be locked in positon.

One end of the pitman E has the eccentric strap 33 over the eccentric 22 and the other end is pivoted to the plunger 34by means a of the pin 35 which plunger operates in-the cylinder B in the manner of'plunger pumps. The carburetor A supplies gasoline to the engine and is-supplied' with gasoline by the pump.

For the purpose of economy and proper operation of the engine mentioned, as well as other devices or apparatuses operating under similar conditions, it is desirable thata certain c'ondit-ionexist in the receiving receptacle of the carburetor shown and described, or in the receiving receptacle-of another apparatus, or in the supply receptacle, as the case may be .and that condition may be the level of gasoline in the receiving carburetor shown and described, or a pressure in this receptacle, or other condition in this receptacle, or the level of substance, or pressure, or other conditionin the supply receptacle, or any of the these conditions in both receptacles.

In the apparatus shown and described herein the engine 'mentionedoperates most economically when the level of the gasoline in-the receiving receptacle of the carburetor is at a certain height and the float is moved I up and down in the receiving receptacle by the rise and fall of the gasoline level.

When otherconditons are at hand or desired such as a pressure condition in one or both receptacles, created by liquid weight or other means, the float, or an equivalent member, or other mechanism, can be modified to meet this pressure or other condition, which modification appears to be obvious.

When the level of gasoline in the receiving receptacle 10 is at proper height, the float is at such a height that the end of the stem 12 thereon contacts the end of the screw 31 and the teeth 23 and 26 are out of engagement with each other and clear each other while the sleeve rotates with the shaft C when the same is rotated by the belt and, since there is now no connection between the sleeve and the eccentric, the eccentric does not rotate and therefore does not operate the pump so that no gasoline is now being moved into the receptacle 10. i V

As the engine continues to use gasoline from the receptacle 10, the gasoline level therein falls and the float moves downwardly with it. The weight of the arm D causes the end thereof which has the screwto follow the downward movement of the float and, due to the pivoted mounting thereof, moves the sleeve; longitudinally on the shaft toward theeccentric until theteeth 23 and 26 engage each other whereupon the eccentric will rotate with the sleeve and with the shaft andthereby operate the pump to draw gasoline from the supply receptacle F to the 'carin operable connection with a power means I although not necessarily, positively co'n nected thereto, and a 'movableor moving means acting directly on the pump meansto cause the'variable operation of the pump means and controlled by conditions in one or more receptacles associated with the pump means: V

" I am aware that my invention is'applicable to various apparatuses wherein substance is moved ina pumping manner; I am also aware that changes and modifications can be made in the structure as well as in the arrangement aswellas in the combination of elements shown and described within the scope of the appended claim; therefore, without limiting myself to the precise application of my invention as shown and described, nor to the precise structure and arrangement. andcombination of elements as shown and described,

I claim:

A pumping apparatus including a pump cylinder having a bracket thereon, a supply receptacle in feeding relation to said cylinder, a receiving receptacle in receiving re.- lation to said cylinder, a pump operating shaft journaled in said bracket, an eccentric mechanism rotatable on said shaft and in operative connectionwith a plunger in said cylinder and having a member of a clutch mechanism thereon, a companion clutch member of said clutch mechanism on said shaft and rotating therewith and slidable thereon longitudinally thereof, an arm pivoted on said bracket and having one end thereof in operative connection with said companion clutch member and the other end thereof extending over said receiving receptacle, a float in said receiving receptacle havmg a stem extending above sald receiving receptacle and an adjusting screw in said other end of said arm and in contact with the outer end of said stem.

In testimony of the foregoing I aflix my signature. 7 v V SYLVESTER A. GUTMAN. 

